AGIS Technology - Houston TX
Alpha Leak Detection & Pipeline Services - Kemah, TX
Alliance Engineering - Denver, CO; Houston, TX
Allied Corrosion - Marietta, GA; Houston, TX
AMEC Paragon Engineering - Houston, TX
Aspen Corrosion, Inc. - Houston, TX
Atlas Engineering - Houston, TX; New Orleans, LA; Aberdeen, Scotland
Audubon Engineering Company L.L.C. – Houston, TX; Covington, LA
Babcock Eagleton, Inc. - Houston, TX
Baker Hughes - Houston, TX; Calgary, Canada; Edmonton, Canada
Bechtel - Houston, TX; New Delhi
Boardwalk Pipeline Partners LP – Houston, TX; Owensboro, KY
BP - Houston, TX; Calgary, AB Canada
C.H. Fenstermaker & Associates, Inc. - Lafayette, LA; New Orleans, LA; Nashville, TN; Houston, TX
CEM Resources, Inc. - Houston, TX; Fellsmere, FL
CenterPoint Energy - Shreveport, LA; Houston, TX
CH2MHILL - Houston, TX; Denver, CO; Bellevue, WA; Corvallis, OR; Santa Anna, CA;
Cheniere Energy - Houston, TX;
Chesapeake Energy - Oklahoma City, OK; Fort Worth, TX; San Antonio, TX; Horseheads, NY
Chevron - Houston, TX
CIMARRON Engineering, Ltd. – Calgary, AB, Canada
Coler & Colantonio, Inc. - Houston, TX; Norwell, MA; Holyoke, MA; Dayton, OH; Portland, ME
Colt Engineering/Colt Geomatic Solutions - Calgary, AB
CorrPro - Houston, TX
Cross Country Energy, LLC - Houston, TX
DCP Midstream - Houston, TX
Denbury Resources, Inc. - Plano, TX
Devon Energy - Houston, TX; Oklahoma City, OK
Downtown Design Services Inc. - Tulsa, OK; Denver, CO
Doyle & Wachtstetter, Inc. - Clute, TX
The EADS Group - Somerset, PA
EDM Services - Simi Valley, CA
El Paso Corporation - Houston, TX; Colorado Springs, CO; Birmingham, AL
EMC, Inc. - Grenada, MS
EMS Global, Inc. - Houston, TX
EN Engineering - Woodridge, IL
Enbridge - Houston, TX; Superior, WI; Edmonton, Alberta, Canada
Energy Management & Services Company - Versailles, KY; Houston, TX
Energy Transfer - Houston, TX
Engineering Service - Jackson, MS
Enterprise Houston, TX
ENGlobal - Tulsa, OK; Houston, TX
EQT Corporation - Pittsburgh, PA
Equistar Chemicals - Houston, TX
Excel Midstream - Houston, TX
Fluor - Houston, TX; Camberley, UK; Trinidad
Forerunner Corporation - Denver CO
Frontier Surveying Company - Fort Worth, TX
Ganem & Kelly Surveying, Inc. - Point Comfort, TX
Gateway Services Group - Fort Worth, TX
Geophysical Data Management, Inc. - Dallas, TX
Golden Field Service - Tulsa OK
Golder Associates - Calgary, AB, Canada
Gulf Interstate Engineering - Houston, TX
Gullett & Associates, Inc. - Houston, TX
Hanson Survey - Houston, TX
Hatch Mott MacDonald - Hadley, MA; Houston, TX; Milburn, NJ
Herbert, Rowland, & Grubic, Inc. - Cranberry Township, PA
Holland Engineering - Holland, MI
Howland Engineering & Surveying Co. - Laredo, TX
Jacobs Engineering Group, Inc. - San Antonio, Austin, & Fort Worth, TX
Jacobs, Hunt & Associates Surveying & Engineering, PC - New York
Joe Hunt & Associates, LLC - New Milford, PA
John Chance Land Surveys, Inc. - Lafayette, LA
KBR - Houston, TX; Brisbane, Australia
Kestrel Engineering, Inc. - Houston, TX
Kinder Morgan - Houston, TX; Orange, CA; Lakewood, CO
L&S Surveying - San Fernando, Trinidad
Lamb-Star Engineering - Plano, TX
Landmark Survey and Mapping - Washington, PA
Larson Design Group - Williamsport, PA
LIS Technology - Fort Worth, TX
LT Mapping Services, Inc. - Tulsa, OK
LW Survey - Tulsa, OK; Duluth, MN; Denver , CO
LyondellBasell Industries - Houston, TX
M&H Energy Services - Houston, TX; Lafayette, LA
Maverick Engineering - Houston, TX
Meridian Surveys - Saskachewan, LA
Messinger & Associates - Bastrop, LA
MidAmerican Energy / Northern Natural Gas - Omaha, NE
MidCo Services, Inc. - Sand Springs, OK
Morris P. Herbert, Inc. - Houma, LA; Baton Rouge, LA; Houston, TX
Mustang Engineering, Inc. - Houston, TX
Northern Natural Gas - Omaha, NE
National Pipeline Services, LLC - Pleasant, MI
NuStar Energy - San Antonio, TX
Oxy - Houston, TX; Midland, TX
Project Consulting Services - Metaire, LA; Houston, TX;
Pegasus International - Houston TX
PetroIT - Houston, TX; New Delhi, India
Pipeline Land Services - Wichita Falls, TX; San Antonio, TX
Plantation Pipeline Company - Atlanta, GA;
PPI Technology Services- Houston TX
Project Consulting Services - Houston, TX; Metairie, LA
QPS Engineering - Tulsa, OK
RSH Engineering - Houston, TX
SAM, Inc. - Austin, TX
SGC Engineering - Westbrook, ME
Shafer, Kline, & Warren, Inc. - Kansas City, MO; The Woodlands, TX; Tulsa, OK
SNC Lavalin - Calgary, Canada
Southern Design Cadworks - Houston, TX
Spartan Engineering - Tulsa, OK
Spec Services - Orange County, CA
Stantec - Buckhannon, WV
STV, Inc. - Douglassville, PA
T. Baker Smith, Inc. – Houston, TX; Houma, LA
TransCanada Pipelines - Houston, TX; Calgary, Canada
TRC Solutions - Orange County, CA
Trigon-EPC - Denver, CO; Durango, CO
Trico Survey & Mapping - Bloomington, IN
Universal Ensco Inc. - Houston, TX; Tulsa, OK;
Upside Engineering - Calgary, AB, Canada
URS Corporation - Houston, TX; Pittsburgh, PA; Denver, CO
Valero - Houston, TX
Vanasse Hangen Brustlin, Inc. - Watertown, MA
VECO International - Calgary, AB, Canada
Wayne Acree, P.L.S., Inc. – West Monroe, LA
Wilbanks Engineering - Houston, TX; Denver, CO
Willbros Engineers, Inc - Tulsa, OK
Williams Gas Pipeline - Houston, TX; Tulsa, OK
Williams Midstream - Tulsa, OK
Zero Degrees Surveying & Mapping Services - Fort Worth, TX